CN107331264A - Bevel gear reflected refraction is polarized Teaching instrument - Google Patents
Bevel gear reflected refraction is polarized Teaching instrument Download PDFInfo
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- CN107331264A CN107331264A CN201710813746.8A CN201710813746A CN107331264A CN 107331264 A CN107331264 A CN 107331264A CN 201710813746 A CN201710813746 A CN 201710813746A CN 107331264 A CN107331264 A CN 107331264A
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 230000003760 hair shine Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/22—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for optics
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Abstract
A kind of bevel gear reflected refraction is polarized Teaching instrument, it is characterized in that：Pointer A, pointer B and support are fixed on pedestal, pedestal is put into container, support support shaft, utilize the bevel gear theory of engagement, three bevel gears of identical parameters are engaged successively, pass through protractor, connecting rod, the determination of bevel gear and pointer ad-hoc location, bevel gear A fixes connecting rod A, connecting rod A fixed lasers, bevel gear B fixes connecting rod B, connecting rod B fixes analyzer and receives light curtain A successively, connecting rod C fixed reception light curtains B, Connectable umbrella gear A, bevel gear B and connecting rod C are connected with bearing with fixing axle respectively, during experiment, inject electrolyte solution extremely contour with fixing axle axis, open laser and by one angle of laser rotate counterclockwise, utilize the theory of engagement, two receive light curtain and angularly deflect, unclamp fancy bolt, adjust connecting rod C angle, incidence angle can be surveyed, angle of reflection and refraction angle, rotate analyzer, verify Brewster's law.
Description
Technical field
The invention belongs to Optical-Physics Experiment teaching equipment field, it is related specifically to one kind and utilizes bevel gear theory of engagement system
Make, integrate checking and reflect, reflect, being polarized teaching apparatus with refractometry.
Background technology
Pointed out in physics teaching：When natural light reflects and reflected on dielectric interface, generally reflected light and folding
It is all partial poolarized light to penetrate light, and only when incidence angle is certain specific angle, reflected light is only linearly polarized light, and its direction of vibration is with entering
Penetrate face vertical.
At present, directly perceived, believable experimental demonstration is lacked with regard to reflective polarizer phenomenon, the experimental phenomena student of word picture is difficult
Understand and receive.Therefore, the present invention realizes reflection by gear drive guarantee gearratio and synchronous deflection, reflects and be polarized existing
As directly perceived, believable experimental demonstration and teaching.
The content of the invention
The technical problems to be solved by the invention are：There is provided it is a kind of made using the bevel gear theory of engagement, collection checking reflection,
Reflect, be polarized with refractometry Teaching instrument, by the way that bevel geared gearratio is constant, stationarity is higher, transmission motion it is accurate
Really reliable, compact conformation, the features such as be easy to deflecting, build a portable Teaching instrument, realize can be carried out in teaching with classroom it is anti-
Demonstration is penetrated, reflected and be polarized, the purpose of measurement optical material refractive index at any time and checking Brewster's law is reached.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of bevel gear reflected refraction is polarized Teaching instrument, it is characterised in that：Support 16, pointer B25 and pointer A 26 are fixed respectively
On pedestal 1, pedestal 1 is placed in container 34, and fixing axle 19 passes perpendicularly through the axis of support 16, is fixed with flat key 17；Protractor
A5 and connecting rod A7 are fixed on bevel gear A6, and described bevel gear A6 is flexibly connected by bearing A4 with fixing axle 19, uses nut
A3 is spacing, and protractor B22 and connecting rod B12 are fixed on bevel gear B23, and described bevel gear B23 passes through bearing B18 and fixing axle
19 are flexibly connected, and connecting rod C24 is flexibly connected by bearings D 20 with fixing axle 19, spacing with nut B21, protractor A5, protractor
B22, bevel gear B23 and bevel gear the A6 center of circle and fixing axle 19 axis coinciding, pointer A26 and pointer B25 the pin amount of finger respectively
On angle device A5 and protractor the B22 center of circle, connecting rod A7, connecting rod B12 and connecting rod C24 corresponding peephole A27, peephole B32 and
Peephole C33 one side is overlapped with the center line of its own connecting rod respectively, and peephole A27 observation connecting rod A7 and protractor A5's is first
Beginning orientation angle, peephole B32 observation connecting rod B12 and protractor B22 initial alignment angle, peephole C33 observation connecting rods C24
The axle center of fixing axle 19 is both passed through with the center line of protractor B22 real-time angular, and connecting rod A7, connecting rod B12 and connecting rod C24；
Semi-circular connecting rod 29 is connected by screw 28 with connecting rod C24, and fancy screw 31 is through the sliding groove 30 on semi-circular connecting rod 29 with connecting
Bar B12 connections, unclamp fancy screw 31, wall of the fancy screw 31 along sliding groove 30 is slided, between connecting rod B12 and connecting rod C24
Angle change；Laser 8 is fixed on connecting rod A7, and analyzer frame 9 is fixed in the middle part of connecting rod B12, and analyzer 10 is arranged on inspection
On inclined device frame 9, the top that light curtain A11 is fixed on connecting rod B12 is received, the top that light curtain B2 is fixed on connecting rod C24, bevel gear is received
C13 is flexibly connected by bearing C15 with screw shaft 14, and screw shaft 14 is fixed on the top of support 16, bevel gear A6 and bevel gear C13
Engagement, bevel gear C13 is engaged with bevel gear B23；In use, injection electrolyte solution makes the height of liquid level 35 rise to and fixing axle 19
Axis overlap.
A kind of bevel gear reflected refraction as described above is polarized Teaching instrument, it is characterised in that：During fixed connecting rod A7, by seeing
Gaging hole A27 observations protractor A5 angle, make the signified protractor A5 of pointer A26 angle it is same diametrically, start angle is
0 °, the same start angle for determining connecting rod B12, protractor B22 and pointer B25 is also 0 °.
A kind of bevel gear reflected refraction as described above is polarized Teaching instrument, it is characterised in that：Laser 8 is opened, laser shines
Liquid level 35 is penetrated, reflected light is produced, through analyzer 10 to light curtain A11 is received, analyzer 10 is adjusted, receives A11 acts of centers of light curtain
On hot spot by bright dimmed, it was demonstrated that reflected light is polarised light.
A kind of bevel gear reflected refraction as described above is polarized Teaching instrument, it is characterised in that：Switch connecting rod A7, the connecting rod
A7 drives bevel gear A6 and protractor A5 to be rotated around fixing axle 19, and bevel gear A6 is engaged with bevel gear C13, and bevel gear C13 is around spiral shell
Bar axle 14 is rotated, and bevel gear C13 is engaged with bevel gear B23, and bevel gear B23 drives protractor B22 and connecting rod B12 around fixing axle 19
Rotation, observation connecting rod A7 and pointer A26, connecting rod B12 and pointer B25 deflection angle, checking incidence angle is equal to angle of reflection.
A kind of bevel gear reflected refraction as described above is polarized Teaching instrument, it is characterised in that：When the rotation connecting rod A7 bands
Motivation structure disappears to the supercentral hot spot of A11 acts of light curtain is received, and verifies Brewster phenomenon, measures Brewster's angle.
A kind of bevel gear reflected refraction as described above is polarized Teaching instrument, it is characterised in that：Producing Brewster phenomenon
When, fancy screw 31 is unclamped, semi-circular connecting rod 29 is pulled, semi-circular connecting rod 29 is by the drivening rod C24 of screw 28 around fixing axle
19 rotations, are located at curtain center, locking fancy screw 31 observes protractor by peephole C33 when receiving the hot spot on light curtain B2
B22 value, verifies now connecting rod B12 and connecting rod C24 vertical relations, measures refractive index.
Due to using above-mentioned technical proposal, advantage for present invention and good effect are：A kind of bevel gear reflection folding
Penetrate and be polarized Teaching instrument, it is characterized in that：Pointer A, pointer B and support are fixed on pedestal, and pedestal is put into container, support support
Axle, using the bevel gear theory of engagement, three bevel gears of identical parameters are engaged successively, by protractor, connecting rod, bevel gear with
And the determination of pointer ad-hoc location, bevel gear A fixations connecting rod A, connecting rod A fixed lasers, bevel gear B fix connecting rod B, connecting rod B
Analyzer is fixed successively and light curtain A, connecting rod C fixed reception light curtain B is received, and Connectable umbrella gear A, bevel gear B and connecting rod C are used respectively
Bearing is connected with fixing axle, during experiment, and injection electrolyte solution opens laser and by laser to contour with fixing axle axis
One angle of rotate counterclockwise, using the theory of engagement, two receive light curtain and angularly deflect, and unclamp fancy bolt, adjustment connecting rod C
Angle, can survey incidence angle, angle of reflection and refraction angle, rotate analyzer, verify Brewster's law.It can enter in teaching with classroom
Row demonstration, measurement optical material refractive index, economic, practical, attractive in appearance, cost is not also high.
Brief description of the drawings：
Fig. 1 is the front view of the present invention；
Fig. 2 is the left view of the present invention；
Fig. 3 is the right view of the present invention；
Fig. 4 is Fig. 1 top view.
In figure：1. pedestal, 2. receive light curtain B, 3. nut A, 4. bearing A, 5. protractor A, 6. bevel gear A, 7. connecting rod A,
8. laser, 9. analyzer framves, 10. analyzers, 11. receive light curtain A, 12. connecting rod B, 13. bevel gear C, 14. screw shafts, 15.
Bearing C, 16. supports, 17. flat keys, 18. bearing B, 19. fixing axles, 20. bearings Ds, 21. nut B, 22. protractor B, 23. umbrella teeth
Take turns B, 24. connecting rod C, 25. pointer B, 26. pointer A, 27. peephole A, 28. screws, 29. semi-circular connecting rods, 30. sliding grooves, 31.
Fancy screw, 32. peephole B, 33. peephole C, 34. containers, 35. liquid levels
Embodiment：
A kind of bevel gear reflected refraction is polarized Teaching instrument, as Figure 1-Figure 4, it is characterised in that：Support 16, pointer B25 and refer to
Pin A 26 is separately fixed on pedestal 1, and pedestal 1 is placed in container 34, and fixing axle 19 passes perpendicularly through the axis of support 16, uses flat key
17 fix；Protractor A5 and connecting rod A7 are fixed on bevel gear A6, and described bevel gear A6 is lived by bearing A4 with fixing axle 19
Dynamic connection, spacing with nut A3, protractor B22 and connecting rod B12 are fixed on bevel gear B23, and described bevel gear B23 passes through axle
Hold B18 to be flexibly connected with fixing axle 19, connecting rod C24 is flexibly connected by bearings D 20 with fixing axle 19, amount spacing with nut B21
Angle device A5, protractor B22, bevel gear B23 and bevel gear the A6 center of circle and the axis coinciding of fixing axle 19, pointer A26 and pointer
Pin refers to corresponding peephole on the protractor A5 and protractor B22 center of circle, connecting rod A7, connecting rod B12 and connecting rod C24 to B25 respectively
A27, peephole B32 and peephole C33 one side are overlapped with the center line of its own connecting rod respectively, peephole A27 observation connecting rods
A7 and protractor A5 initial alignment angle, peephole B32 observation connecting rod B12 and protractor B22 initial alignment angle, observation
Hole C33 observes connecting rod C24 and protractor B22 real-time angular, and connecting rod A7, connecting rod B12 and connecting rod C24 center line are both passed through
The axle center of fixing axle 19；Semi-circular connecting rod 29 is connected by screw 28 with connecting rod C24, and fancy screw 31 is passed through on semi-circular connecting rod 29
Sliding groove 30 be connected with connecting rod B12, unclamp fancy screw 31, wall of the fancy screw 31 along sliding groove 30 is slided, connecting rod
Angle change between B12 and connecting rod C24；Laser 8 is fixed on connecting rod A7, and analyzer frame 9 is fixed in the middle part of connecting rod B12, inspection
Inclined device 10 is arranged on analyzer frame 9, receives the top that light curtain A11 is fixed on connecting rod B12, is received light curtain B2 and is fixed on connecting rod
C24 top, bevel gear C13 is flexibly connected by bearing C15 with screw shaft 14, and screw shaft 14 is fixed on the top of support 16, umbrella
Gear A 6 is engaged with bevel gear C13, and bevel gear C13 is engaged with bevel gear B23；In use, injection electrolyte solution makes liquid level 35
Highly rise to and overlapped with the axis of fixing axle 19.
A kind of bevel gear reflected refraction as described above is polarized Teaching instrument, it is characterised in that：During fixed connecting rod A7, by seeing
Gaging hole A27 observations protractor A5 angle, make the signified protractor A5 of pointer A26 angle it is same diametrically, start angle is
0 °, the same start angle for determining connecting rod B12, protractor B22 and pointer B25 is also 0 °.
A kind of bevel gear reflected refraction as described above is polarized Teaching instrument, it is characterised in that：Laser 8 is opened, laser shines
Liquid level 35 is penetrated, reflected light is produced, through analyzer 10 to light curtain A11 is received, analyzer 10 is adjusted, receives A11 acts of centers of light curtain
On hot spot by bright dimmed, it was demonstrated that reflected light is polarised light.
A kind of bevel gear reflected refraction as described above is polarized Teaching instrument, it is characterised in that：Switch connecting rod A7, the connecting rod
A7 drives bevel gear A6 and protractor A5 to be rotated around fixing axle 19, and bevel gear A6 is engaged with bevel gear C13, and bevel gear C13 is around spiral shell
Bar axle 14 is rotated, and bevel gear C13 is engaged with bevel gear B23, and bevel gear B23 drives protractor B22 and connecting rod B12 around fixing axle 19
Rotation, observation connecting rod A7 and pointer A26, connecting rod B12 and pointer B25 deflection angle, checking incidence angle is equal to angle of reflection.
A kind of bevel gear reflected refraction as described above is polarized Teaching instrument, it is characterised in that：When the rotation connecting rod A7 bands
Motivation structure disappears to the supercentral hot spot of A11 acts of light curtain is received, and verifies Brewster phenomenon, measures Brewster's angle.
A kind of bevel gear reflected refraction as described above is polarized Teaching instrument, it is characterised in that：Producing Brewster phenomenon
When, fancy screw 31 is unclamped, semi-circular connecting rod 29 is pulled, semi-circular connecting rod 29 is by the drivening rod C24 of screw 28 around fixing axle
19 rotations, are located at curtain center, locking fancy screw 31 observes protractor by peephole C33 when receiving the hot spot on light curtain B2
B22 value, verifies now connecting rod B12 and connecting rod C24 vertical relations, measures refractive index.
Claims (6)
1. a kind of bevel gear reflected refraction is polarized Teaching instrument, it is characterised in that：Support（16）, pointer B（25）With pointer A（26）
It is separately fixed at pedestal（1）On, pedestal（1）It is placed in container（34）In, fixing axle（19）Pass perpendicularly through support（16）Axis, is used
Flat key（17）It is fixed；Protractor A（5）With connecting rod A（7）It is fixed on bevel gear A（6）On, described bevel gear A（6）Pass through bearing A
（4）With fixing axle（19）It is flexibly connected, uses nut A（3）It is spacing, protractor B（22）With connecting rod B（12）It is fixed on bevel gear B
（23）On, described bevel gear B（23）Pass through bearing B（18）With fixing axle（19）It is flexibly connected, connecting rod C（24）Pass through bearings D
（20）With fixing axle（19）It is flexibly connected, uses nut B（21）It is spacing, protractor A（5）, protractor B（22）, bevel gear B（23）With
Bevel gear A（6）The center of circle and fixing axle（19）Axis coinciding, pointer A（26）With pointer B（25）Pin refers to protractor A respectively（5）
With protractor B（22）The center of circle, connecting rod A（7）, connecting rod B（12）With connecting rod C（24）Upper corresponding peephole A（27）, peephole B
（32）With peephole C（33）One side overlapped respectively with the center line of its own connecting rod, peephole A（27）Observe connecting rod A（7）With
Protractor A（5）Initial alignment angle, peephole B（32）Observe connecting rod B（12）With protractor B（22）Initial alignment angle,
Peephole C（33）Observe connecting rod C（24）With protractor B（22）Real-time angular, and connecting rod A（7）, connecting rod B（12）With connecting rod C
（24）Center line both pass through fixing axle（19）Axle center；Screw（28）By semi-circular connecting rod（29）With connecting rod C（24）Connection, flower
Formula screw（31）Through semi-circular connecting rod（29）On sliding groove（30）With connecting rod B（12）Connection, unclamps fancy screw（31）, institute
State fancy screw（31）Along sliding groove（30）Wall slide, connecting rod B（12）With connecting rod C（24）Between angle change；Laser（8）
It is fixed on connecting rod A（7）On, analyzer frame（9）It is fixed on connecting rod B（12）Middle part, analyzer（10）Installed in analyzer frame（9）
On, receive light curtain A（11）It is fixed on connecting rod B（12）Top, receive light curtain B（2）It is fixed on connecting rod C（24）Top, umbrella tooth
Take turns C（13）Pass through bearing C（15）With screw shaft（14）It is flexibly connected, screw shaft（14）It is fixed on support（16）Top, bevel gear A
（6）With bevel gear C（13）Engagement, bevel gear C（13）With bevel gear B（23）Engagement；In use, injection electrolyte solution makes liquid level
（35）Highly rise to and fixing axle（19）Axis overlap.
2. a kind of bevel gear reflected refraction according to claim 1 is polarized Teaching instrument, it is characterised in that：Fixed connecting rod A（7）
When, pass through peephole A（27）Observe protractor A（5）Angle, make pointer A（26）Signified protractor A（5）Angle same
Diametrically, start angle is 0 °, same to determine connecting rod B（12）, protractor B（22）With pointer B（25）Start angle also be 0 °.
3. a kind of bevel gear reflected refraction according to claim 2 is polarized Teaching instrument, it is characterised in that：Open laser
（8）, laser irradiation liquid level（35）, reflected light is produced, through analyzer（10）To reception light curtain A（11）, adjust analyzer（10）,
Receive light curtain A（11）The supercentral hot spot of curtain is by bright dimmed, it was demonstrated that reflected light is polarised light.
4. a kind of bevel gear reflected refraction according to claim 3 is polarized Teaching instrument, it is characterised in that：Switch connecting rod A
（7）, the connecting rod A（7）Drive bevel gear A（6）With protractor A（5）Around fixing axle（19）Rotation, bevel gear A（6）With bevel gear
C（13）Engagement, bevel gear C（13）Around screw shaft（14）Rotation, bevel gear C（13）With bevel gear B（23）Engagement, bevel gear B
（23）Drive protractor B（22）With connecting rod B（12）Around fixing axle（19）Rotation, observation connecting rod A（7）With pointer A（26）, connecting rod B
（12）With pointer B（25）Deflection angle, checking incidence angle be equal to angle of reflection.
5. a kind of bevel gear reflected refraction according to claim 4 is polarized Teaching instrument, it is characterised in that：When the rotation company
Bar A（7）Lead agency extremely receives light curtain A（11）The supercentral hot spot of curtain disappears, and verifies Brewster phenomenon, measures Brewster
Angle.
6. a kind of bevel gear reflected refraction according to claim 5 is polarized Teaching instrument, it is characterised in that：Produce cloth scholar this
During special phenomenon, fancy screw is unclamped（31）, pull semi-circular connecting rod（29）, semi-circular connecting rod（29）Pass through screw（28）The company of drive
Bar C（24）Around fixing axle（19）Rotation, as reception light curtain B（2）On hot spot be located at curtain center, lock fancy screw（31）, lead to
Cross peephole C（33）Observe protractor B（22）Value, checking now connecting rod B（12）With connecting rod C（24）Vertical relation, measurement folding
Penetrate rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813746.8A CN107331264B (en) | 2017-09-11 | 2017-09-11 | Bevel gear reflection and refraction polarization demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813746.8A CN107331264B (en) | 2017-09-11 | 2017-09-11 | Bevel gear reflection and refraction polarization demonstrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107331264A true CN107331264A (en) | 2017-11-07 |
| CN107331264B CN107331264B (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710813746.8A Expired - Fee Related CN107331264B (en) | 2017-09-11 | 2017-09-11 | Bevel gear reflection and refraction polarization demonstrator |
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